名词性从句语法
语法解析名词性从句

语法解析名词性从句一、概念说明名词性从句是从句的一种,它在句中的地位和作用相当于名词。
名词性从句可以充当主语、宾语、表语或同位语。
二、主语从句主语从句用来充当整个句子的主语。
示例:1. What she said is true.(主语从句作主语)2. Whether he will come is uncertain.(主语从句作主语)3. If it rains, we will stay at home.(主语从句作主语)三、宾语从句宾语从句用来充当及物动词或介词后面的宾语。
示例:1. She asked me what my name was.(宾语从句作宾语)2. I wonder if he is coming.(宾语从句作宾语)3. He told me where he lived.(宾语从句作宾语)四、表语从句表语从句用来充当系动词后面的表语。
示例:1. The important thing is that we keep trying.(表语从句作表语)2. His wish is that everyone be happy.(表语从句作表语)3. Her dream is to become a famous singer.(表语从句作表语)五、同位语从句同位语从句用来解释或说明名词的具体内容。
示例:1. The fact that he didn't study resulted in a poor grade.(同位语从句解释the fact)2. My understanding is that we need to work together.(同位语从句解释my understanding)3. The idea that she suggested is worth considering.(同位语从句解释the idea)六、关系代词引导的名词性从句关系代词引导的名词性从句在从句中充当成分的同时,引导词也在主句中充当成分。
英语语法:名 词 性 从 句

英语语法:名词性从句名词性从句是在句子中起名词作用的句子。
名词性从句的功能相当于名词词组,它在复合句中能担任主语、宾语、表语、同位语、介词宾语等,因此根据它在句中不同的语法功能,名词性从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。
我在这里整理了相关学问,快来学习学习吧!英语语法:名词性从句主语从句宾语从句表语从句同位语从句作及物动词宾语作介词宾语that一般不省略可以省略一般不省略一般不省略一般不省略Whether/if〔是否〕放于句首时只用whether用whether/if均可,但有区分只用whether只用whether只用whether 特殊疑问词留意语序要用陈述语序名词性关系从句留意语序要用陈述语序一、that 从句1、主语从句(1)that从句作主语时,常用it作形式主语,常见的句型有:It+be+形容词(obvious, true, natural,surprising,good,wonderful,funny,possible,likely,certain,probable,etc.)+that从句It+be+名词词组(no wonder, an honor, a good thing, a pity, no surprise, etc.)+that从句It+be+过去分词(said, reported, thought, expected, decided, announced, arranged, etc.)+that从句(2)that可以省略,但that从句位于句首时,that不能省略。
2、宾语从句(1)常见的可以接that从句作宾语的动词有see, say, know, imagine, discover, believe, tell, show, think, consider, be sure, be afraid等。
在可以接复合宾语的动词之后,如think, make, consider等,可以用it作形式宾语。
名词性从句语法

名词性从句语法英语语法--名词性从句讲解(一)在句子中起名词作用的句子叫名词从句(Noun Clauses)。
名词从句的功能相当于名词词组, 它在复合句中能担任主语、宾语、表语、同位语、介词宾语等,因此根据它在句中不同的语法功能,名词从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。
一、引导名词性从句的连接1. 连接代词:who, whose, whom, what, which.有词义,在从句中担任成分。
2. 连接副词:when, where, why, how.有词义,在从句中担任成分,作状语。
3. 连接词:that, whether, if, as if在从句中不担任成分,有时可省略;二. 具体分类1、主语从句作句子主语的从句叫主语从句。
What he wants to tell us is not clear. 他要跟我们说什么,还不清楚。
It is known to us how he became a writer. 我们都知道他是如何成为一名作家的。
Where the English evening will be held has not yet been announced. 英语晚会将在哪里举行,还没有宣布。
有时为避免句子头重脚轻,常用形式主语it代替主语从句作形式主语放于句首,而把主语从句置于句末。
主语从句后的谓语动词一般用单数形式。
常用句型如下:(1)It + be + 名词 + that从句(2)It + be + 形容词 + that从句(3)It + be + 动词的过去分词 + that从句(4)It + 不及物动词 + that 从句另注意在主语从句中用来表示惊奇、不相信、惋惜、理应如此等语气时,谓语动词要用虚拟语气“(should) +do”,常用的句型有:It is necessary (important, natural, strange, etc.) that …It is a pity (a shame, no wonder, etc.) that…It is suggested (requested, proposed, desired, etc.) that…2、宾语从句名词句用作宾语的从句叫宾语从句。
名词性从句的三种类型及例句解析

名词性从句的三种类型及例句解析名词性从句是指在一个句子中充当名词的从句。
它可以作主语、宾语、表语和同位语等,并能够起到连接子句与主句的作用。
在英语语法中,有三种主要类型的名词性从句:宾语从句、主语从句和表语从句。
本文将详细解析这三种类型,并举例说明其用法。
一、宾语从句宾语从句作为一个整体出现在主句中的动词后面,充当主句的宾语。
它常常引导由that、whether/if、wh-疑问词引导的从句。
下面是一些例句:1. 主句:He asked me a question.宾语从句:He asked me whether I had finished my homework.解析:宾语从句"whether I had finished my homework"作为动词"ask"的宾语,表达了一个疑问。
2. 主句:She doesn't know the answer.宾语从句:She doesn't know what the answer is.解析:宾语从句"what the answer is"作为动词"know"的宾语,表示对答案的不知道。
3. 主句:They wonder if he will come to the party.宾语从句:They wonder if/whether he will come to the party.解析:宾语从句"if/whether he will come to the party"作为动词"wonder"的宾语,表达了对他是否会来参加派对的疑问。
二、主语从句主语从句作为一个整体出现在句子的最前面,充当主句的主语。
它通常由that引导,也可以由wh-疑问词引导。
以下是一些例句:1. 主句:It is important to learn a foreign language.主语从句:That she is a hardworking student is important.解析:主语从句"That she is a hardworking student"作为句子的主语,强调了她是一个勤奋的学生的重要性。
【英语知识点】名词性从句语法总结归纳

【英语知识点】名词性从句语法总结归纳名词性从句是在句子中起名词作用的句子。
名词性从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。
接下来分享名词性从句的语法,供参考。
1.主语从句通常由下列词引导:①从属连词that、whether等。
②连接代词what、who、which、whatever、whoever、whom、whichever等。
③连接副词how、when、where、why等。
that在句中无词义,只起连接作用;连接代词和连接副词都在句中既保留自己的疑问含义、又起连接作用,连接代词主要作主语,宾语,表语,定语等,连接副词在从句中作状语。
注:whom、who指人,what指物,whatever、whoever表示泛指意义。
2.有时为避免句子头重脚轻,常用形式主语it代替主语从句作形式主语放于句首,而把主语从句置于句末。
主语从句后的谓语动词一般用单数形式。
常用句型如下:(1)It be+名词+that从句:It's a great pity that they didn't getmarried.他们没能结婚,真是令人惋惜。
(2)It be+形容词+that从句:It's splendid that you passed yourexam.你通过考试了,真棒。
(3)It be+动词的过去分词+主语从句:It's said that he has been there many times.据说他去过那儿很多次。
(4)It+不及物动词+that 从句:It is suggested (requested, proposed, desired, etc.) that…。
1.宾语从句,是名词性从句的一种。
在主从复合句中充当宾语,位于及物动词、介词或复合谓语之后的从句称为宾语从句。
宾语从句分为三类:动词的宾语从句,介词的宾语从句和形容词的宾语从句。
2.宾语从句的引导词有三种:(1)以that引导的宾语从句:that引导的宾语从句一般都是由陈述句充当,引导词that没有实际意义,不在从句中作任何成分,that可以省略,而且从句成分齐全,句意完整。
名词性从句语法总结

名词性从句语法总结名词性从句是在句子中充当名词成分的从句,它可以在句子中作主语、宾语、表语、定语等成分。
名词性从句包括主语从句、宾语从句、表语从句和定语从句。
在使用名词性从句时,需要注意从句的引导词和从句本身的语法结构。
下面对名词性从句的语法规则进行总结:1. 主语从句。
主语从句在句子中充当主语成分,常常由连接词 that, whether, if, who, whom, whose, what, which, when, where, why, how 等引导。
例如:What he said is true.(他说的是真的。
)。
Whether we can go camping depends on the weather.(我们能否去野营取决于天气。
)。
2. 宾语从句。
宾语从句在句子中充当宾语成分,常常由连接词 that, whether, if, who, whom, whose, what, which, when, where, why, how 等引导。
例如:I know who did it.(我知道是谁干的。
)。
She asked me where I was going.(她问我要去哪里。
)。
3. 表语从句。
表语从句在句子中充当表语成分,常常由连接词 that, whether, who, whom, whose, what, which 等引导。
例如:The problem is that we don't have enough time.(问题在于我们没有足够的时间。
)。
Her wish is that she can travel around the world.(她的愿望是能够环游世界。
)。
4. 定语从句。
定语从句在句子中充当定语成分,用来修饰某个名词或代词。
常常由连接词that, who, whom, whose, which, when, where 等引导。
高中英语语法---名词性从句详解

名词性从句详解名词性从句包括主语从句、表语从句、宾语从句、同位语从句。
其关联词有连接词that,if,whether;疑问代词who,what,which和疑问副词when,where,how,why等。
一.语法讲解1.主语从句主语从句在句中做主语。
它可以放在主句谓语动词之前,但多数情况由it作形式主语,而把主语从句放在主句之后。
例如:Who did that is known to all.It is interesting that you should like him.2.表语从句表语从句在句中作表语,位于主句中的系动词之后。
如:The question is who can complete the difficult task.表语从句不能用if引导,但可用as if引导。
例如:He looked as if he was going to cry.3.同位语从句同位语从句跟在名词后面,进一步说明该名词的具体内容。
引导同位语从句的名词主要有fact,news,promise,idea,truth等。
连接词用that(不用which),及连接副词how,when,where,why等。
例如:His delay is due to the fact that the car went wrong halfway.The news that our team has won the match is true.She asked the reason why there was a delay.4.宾语从句1.宾语从句在句中作及物动词或介词的宾语。
例如:We can learn what we did not know.He will talk to us about what he saw in the U.S.如果主句的谓语动词是及物动词make,find,see,hear等,则把宾语从句置于宾语补足语之后,用it作为形式宾语。
名词性从句的语法解析

名词性从句的语法解析名词性从句是指在句中充当名词的成分的从句,可以作主语、宾语、表语、同位语等。
名词性从句的引导词有“从属连词”和“连接代词”两种。
一、主语从句主语从句在句中充当主语,常引导主语从句的连接词有“that”和“whether/if”。
其中,“that”在口语中常省略,而“whether/if”则一般用于句中有“or not”时。
例如:1. That he passed the exam is good news.(非正式:He passed the exam is good news.)2. Whether he will come to the party is still uncertain.(非正式:If he will come to the party is still uncertain.)二、宾语从句宾语从句在句中充当宾语,常引导宾语从句的连接词有“that”、“whether/if”、“what”和“who/whom”。
其中,“that”在口语中常省略。
例如:1. She said that she would go shopping later.(非正式:She said she would go shopping later.)2. I don't know whether/if he is coming to the party.(非正式:I don't know if he is coming to the party.)3. She asked me what I wanted for dinner.4. He asked who/whom I was talking to on the phone.三、表语从句表语从句在句中充当表语,常引导表语从句的连接词有“that”、“whether/if”和“what”。
例如:1. The important thing is that we are safe.(非正式:The important thing is we are safe.)2. The question is whether/if he will pass the exam.3. The problem is what we should do next.四、同位语从句同位语从句通常用来进一步解释说明某个名词或代词指代的内容,引导同位语从句的连接词有“that”、“whether/if”、“what”、“who/whom”等。
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还有些动词后接宾语从句习惯上需要在宾语从句前加 it,这类词有:
A) 动词+it+when / if 从句。常见于appreciate, enjoy, like, dislike, love, hate, prefer等少数动词之后。
B) 动词 + 介词(短语) + it + that从句。常见于answer for, depend on, rely on, insist on, look to, see to, stick to 等结构中。
三、 表语从句:
A is to B what C is to D
四、同位语从句
1. 定义:在复合句中,对名词的内容进行解释说明的从 句是同位语从句。
•anWyhooneevwerhios in charagneyothf itnhge tshuabtject should attend the meeting.
定从 or 名从
1. He gave his mother a gift which pleased her very much.
1. Facing flowers, perfume and make-ups, he wonder which one can please his mother.
, • _A_s_ is known to all the earth is round.
1.A new school has been set
in the place w__h_e_r_e__ there used to be a lake.
up
in the place __t_h_a_t/_w_h_i_c_h__ used to be a lake.
2. It +Vi.(happened/ appeared/ seemed/ occurred to sb.)+ that从句
二、宾语从句
1. it作形式宾语:1)7123结构;2)表“好恶”的动词: love/like/enjoy/ dislike/hate+it+when从句;
depend/ rely/ count on/upon +it+ that从句; appreciate+it+if从句。 3)其他:take it for granted that… 2. 语序是陈述语气。 3. whether与if的区别
9. The question is if he himself will be present at the meeting. The question is whether he himself will be present …...
10. He asked me if I could go with him or not. He asked me whether I could go with him or not.
2. 以下名词跟同位语从句,且常用that 引导。名词有: fact, idea, news, promise, information, message, belief, doubt, hope, opinion, possibility, thought, wish, truth, question, problem, reply, answer, report, suggestion, advice, order等。
掌握: whether和if的区别:
We’ll see to _i_t__ __th_a_t__she gets home early . I hate\dislike __i_t____when someone smokes in the office. I’ll appreciate ___i_t___ if you come to our party.
五、注意:1. 表“建议、命令、要求”的词(名词或动词),其后 跟宾从、表从或同位语从句时,需用虚拟语气(should+动原, should可省。)
2. 仔细揣摩that和what的区别。 3. 关注wh-+ever引导的名词性从句。(wh-ever的意思和用法)
温馨提示 同位语从句通常由that引导,但根据 接同位语的名词不同,也可由whether, when, who, how, what, why等引导。 e.g. I have no idea when he will be back. The question who was to blame has never been settled.
1、If不能引导主语从句,而whether可以。 2、引导表语从句用whether,不用if。 3、引导同位语从句用whether,不用if。 4、whether可以引导从句作介词的宾语,不用if 。 5、whether or not; whether to do; discuss whether
找出下列句子中的错误,并总结出规律:
(5)It doesn’t matter/makes no difference wh-没关系/影响。
1. It was quite clear _t_h_a_t_ his uncle was fond of music.
2. It is important that we _(s_h_o_u_l_d_)_s_t_u_d_y(study) hard.
(_s_h_o_u_l_d_)_b_e_f_i_n_is_h_e_d_ (finish) in five hours.
whever和“no matter+wh” whever既可引导名词性从句,又可引导 让步状语从句,而no matter wh只能引导让 步状语从句。 e.g. Whatever/ No matter what I said,he wouldn’t listen to me. (让步状语从句)
分类
1、主语从句 ( subject clause ) 2、表语从句 ( predicative clause ) 3、宾语从句 ( object clause ) 4、同位语从句 ( appositive clause )
引导词
从属连词(3个):that 、if、 whether
连接代词 (9个):who、 whom 、 what、 which、 whose、 whoever whomever、 whatever、 whichever、
It is natural /strange/important/obvious that…
很自然/奇怪的/很重要的是/很明显的是…
It is likely that…=sb./sth. is likely to do 很有可能
(3) It + 不及物动词 + 从句 It happened that…碰巧…
连接副词(4个):when、 why、 where、 how
一、常用连接词3种(必须背熟)
1.在句中不作成分且无意思的连接词:that
2.在句中不作成分但有意思的连接词:whether/ if是否, as if/as though似乎,好像
3.在句中作成分也有意思的连接词: what什么,所……的,随句翻 译(主、宾、表);who谁,……的人(主、宾、表);which哪 一(个/类等)(主、宾、定);when何时,……的时候(时间状 语);where何地, ……的地方(地点状语);why为什么,…… 的原因(原因状语);how如何(方式状语);whatever无论什么; whoever无论是谁;whenever无论何时;wherever无论哪里; whichever无论哪一(个/类等);however不管怎样;
英语名词性从句
Noun Clause
请思考:
1、English is very useful for us . 2、The subject I am interested in is English. 3、We need to master English well. 4、He want to learn the language , English .
二、 从句复习重点:1. 宾语从句(其各个注意事项)
2. 主语从句 (各个主语从句的各个句型,尤其是用it作形式主语)
3. 同位语从句的定义(尤其是哪些名词后常用来跟同位语从句)
4. 表语从句句型(A is to B what C is to D)
一、 主语从句 (it作形式主语)
1.It +be+n. /adj. / P.P+ to do/ that从句/doing
He would believe whatever/ anything that I said. (宾语从句)
• _w_h_a_t_ is known to all is that the earth is round.
• _I_t_ is known to all that the earth is round.
7. If we will have a meeting hasn't been decided yet. Whether we will have a meeting hasn’t been decided yet.
8. It depends on if the weather is suitable for us to do it. It depends on whether the weather is …...
in ___w_h_a_t_______used to be a lake.
___w_h__e_re____ there used to be a lake.
• Of all the toys, you shall get whichever you choose.